You cannot use magnification while color bars are displayed on the screen. Activating magnification while the waveform monitor is on the screen will deactivate the waveform monitor.
HLG-Vivid This HLG corresponds to the traditional colour described in section 6.5 of Report ITU-R BT.2390-4. This results in expression with higher saturation than that of the BT.2100 compliant HLG.